こうよう もみじ
こうよう もみじ · kouyou momiji · JLPT N2 · noun
maple
🍁 紅葉 = 紅 crimson + 葉 leaf, so red autumn leaves
もみじ is the tree itself, the maple. It comes from an old verb meaning to turn red, which fits its autumn colour. こうよう (紅葉) is the broader word for autumn foliage.